Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.


Added to your shopping cart

Microchip Technology ATmega328 8-bit AVR® Microcontrollers (MCUs) are high-performance RISC-based devices that combine 32KB ISP Flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 23 general-purpose I/O lines, 32 general-purpose working registers, serial programmable USART, and more.

  • Mounting Style: SMD/SMT
  • Package/Case: MLF-28
  • Series: ATmega328P
  • Core: AVR
  • Data Bus Width: 8 bit
  • Maximum Clock Frequency: 20MHz
  • Program Memory Size: 32 kB
  • Data Ram Size: 2 kB
  • ADC Resolution: 10 bit
  • Number of I/O's: 23 I/O
  • Operating Supply Voltage: 1.8 V to 5.5 V
  • Minimum Operating Temperature: -40C
  • Maximum Operating Temperature: +85C
  • Program Memory Type: Flash
  • Data RAM Type: SRAM
  • Data ROM Size: 1 kB
  • Data ROM Type: EEPROM
  • Interface Type: I2C, SPI, USART
  • Moisture Sensitive: Yes
  • Number of ADC Channels: 8 channel
  • Number of Timers/Counters: 3 Timer



Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

Customer Reviews

No reviews yet.